WARNING in cfg80211_rehash

Title	Replies (including bot)	Last reply
[syzbot] [wireless?] WARNING in cfg80211_rehash_bss	0 (2)	2025/09/16 08:54
Re: [PATCH v2 RFC 0/7] KFuzzTest: a new kernel fuzzing framework	1 (1)	2025/09/10 15:59
Re: [PATCH] wifi: cfg80211: fix bss rbn double erase issue	1 (1)	2025/09/05 08:11

Created	Duration	User	Patch	Repo	Result
2025/10/02 22:44	14m	retest repro		upstream	report log

Created

Duration

User

Patch

Repo

Result

2025/10/02 22:44

14m

retest repro

upstream

report log

------------[ cut here ]------------ WARNING: CPU: 0 PID: 43 at net/wireless/scan.c:1666 rb_insert_bss net/wireless/scan.c:1666 [inline] WARNING: CPU: 0 PID: 43 at net/wireless/scan.c:1666 cfg80211_rehash_bss+0x1e6/0x540 net/wireless/scan.c:1723 Modules linked in: CPU: 0 UID: 0 PID: 43 Comm: kworker/u4:3 Not tainted syzkaller #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 Workqueue: events_unbound cfg80211_wiphy_work RIP: 0010:rb_insert_bss net/wireless/scan.c:1666 [inline] RIP: 0010:cfg80211_rehash_bss+0x1e6/0x540 net/wireless/scan.c:1723 Code: e8 48 c1 e8 03 42 0f b6 04 30 84 c0 0f 85 33 03 00 00 ff 45 00 48 83 c4 18 5b 41 5c 41 5d 41 5e 41 5f 5d e9 0c 3d af 00 cc 90 <0f> 0b 90 4c 8b 2c 24 4c 89 ef e8 7b 4c 02 fa 84 c0 74 78 e8 e2 dd RSP: 0018:ffffc900005e6f20 EFLAGS: 00010246 RAX: ffffffff8acfee15 RBX: 0000000000000000 RCX: 0000000000000000 RDX: ffff88801f0c8000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffff8880113f6c68 R08: 0000000000000000 R09: 0000000000000002 R10: 0000000000000002 R11: 0000000000000000 R12: ffff888043c281a0 R13: ffff88801a485430 R14: dffffc0000000000 R15: ffff88801a484c20 FS: 0000000000000000(0000) GS:ffff88808d00a000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000c009610000 CR3: 0000000011e4c000 CR4: 0000000000352ef0 Call Trace: <TASK> cfg80211_update_assoc_bss_entry+0x3f6/0x6a0 net/wireless/scan.c:3471 cfg80211_ch_switch_notify+0x3c1/0x780 net/wireless/nl80211.c:20399 ieee80211_sta_process_chanswitch+0xad4/0x2870 net/mac80211/mlme.c:-1 ieee80211_rx_mgmt_beacon+0x19c7/0x2cd0 net/mac80211/mlme.c:7523 ieee80211_sta_rx_queued_mgmt+0x4ed/0x4470 net/mac80211/mlme.c:8093 ieee80211_iface_process_skb net/mac80211/iface.c:1696 [inline] ieee80211_iface_work+0x652/0x12d0 net/mac80211/iface.c:1753 cfg80211_wiphy_work+0x2b8/0x470 net/wireless/core.c:435 process_one_work kernel/workqueue.c:3236 [inline] process_scheduled_works+0xae1/0x17b0 kernel/workqueue.c:3319 worker_thread+0x8a0/0xda0 kernel/workqueue.c:3400 kthread+0x70e/0x8a0 kernel/kthread.c:463 ret_from_fork+0x436/0x7d0 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 </TASK>

Crashes (5):
Time	Kernel	Commit	Syzkaller	Config	Log	Report	Syz repro	C repro	Assets (help?)	Manager	Title
2025/09/16 08:53	upstream	46a51f4f5eda	e2beed91	.config	console log	report	syz / log	C	[disk image (non-bootable)] [vmlinux] [kernel image]	ci-snapshot-upstream-root	WARNING in cfg80211_rehash_bss
2025/09/18 22:08	upstream	8b789f2b7602	e2beed91	.config	console log	report			[disk image (non-bootable)] [vmlinux] [kernel image]	ci-snapshot-upstream-root	WARNING in cfg80211_rehash_bss
2025/09/16 07:05	upstream	46a51f4f5eda	e2beed91	.config	console log	report			[disk image (non-bootable)] [vmlinux] [kernel image]	ci-snapshot-upstream-root	WARNING in cfg80211_rehash_bss
2025/08/19 02:37	upstream	be48bcf004f9	52052143	.config	console log	report			[disk image (non-bootable)] [vmlinux] [kernel image]	ci-snapshot-upstream-root	WARNING in cfg80211_rehash_bss
2025/08/09 21:47	upstream	c30a13538d9f	32a0e5ed	.config	console log	report			[disk image (non-bootable)] [vmlinux] [kernel image]	ci-snapshot-upstream-root	WARNING in cfg80211_rehash_bss

Crashes (5):

Assets (help?)